Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1987-05-26
1992-06-16
DeMille, Danton D.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 40, 172699, A01B 3308
Patent
active
051218003
ABSTRACT:
A soil loosening device connected with a pulling means provides for an intensive deep loosening of compact mainly agriculturally used soils and has for each loosening furrow two oppositely driven teeth in tandem arrangement, equipped with blades which form a joint blade surface subdivided into blade partial surfaces wherein the forward partial blade surface and the rear partial blade surface perform alternately with the forward surface first cutting the soil and the rear surface then lifting the soil which has been cut.
REFERENCES:
patent: 2952322 (1960-09-01), Jurcheck
patent: 3914948 (1975-10-01), Kaercher
DeMille Danton D.
Greigg Ronald E.
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